244
Pin
Selection Method and Pin Functions
P83/
IRQ3
/
ETEND3
The pin function is switched as shown below according to the combination of bit
ETENDE in EDMDR3 of the EXDMAC, bit P83DDR, and bit ITS3 in ITSR.
Modes 1, 2, 4, 5, 6, 7 (EXPE = 1)
ETENDE
0
1
P83DDR
0
1
—
Pin function
P83 input pin
P83 output pin
ETEND3
output
IRQ3
interrupt input
*
Mode 7 (EXPE = 0)
ETENDE
—
P83DDR
0
1
Pin function
P83 input pin
P83 output pin
IRQ3
interrupt input
*
Note:
*
IRQ3
input when ITS3 = 1.
P82/
IRQ2
/
ETEND2
The pin function is switched as shown below according to the combination of bit
ETENDE in EDMDR2 of the EXDMAC, bit P82DDR, and bit ITS2 in ITSR.
Modes 1, 2, 4, 5, 6, 7 (EXPE = 1)
ETENDE
0
1
P82DDR
0
1
—
Pin function
P82 input pin
P82 output pin
ETEND2
output
IRQ2
interrupt input
*
Mode 7 (EXPE = 0)
ETENDE
—
P82DDR
0
1
Pin function
P82 input pin
P82 output pin
IRQ2
interrupt input
*
Note:
*
IRQ2
input when ITS2 = 1.
Содержание H8S/2670
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